CC(C)(C)N1N[C@@H]2CC[C@H]1C21CC1 mol13971 0_1 CC(C)(C)[NH+]1N[C@@H]2CC[C@H]1C21CC1 mol13971 1_1 CC(C)(C)N1[NH2+][C@@H]2CC[C@H]1C21CC1 mol13971 1_2